package com.lzy.api.interceptors;

import com.lzy.enums.UserStatus;
import com.lzy.exception.GraceException;
import com.lzy.grace.result.ResponseStatusEnum;
import com.lzy.pojo.AppUser;
import com.lzy.utils.JsonUtils;
import com.lzy.utils.RedisOperator;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class UserActiveInterceptor extends BaseInterceptor implements HandlerInterceptor {


    public static final String MOBILE_SMSCODE = "mobile:smscode";

    /**
     * 拦截请求，访问controller之前
     * @param request
     * @param response
     * @param handler
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String userId = request.getHeader("headerUserId");
        String userJson = redis.get(REDIS_USER_INFO + ":" + userId);
        AppUser user = null;
        if (StringUtils.isNotBlank(userJson)) {
            user = JsonUtils.jsonToPojo(userJson, AppUser.class);
        }else{
            GraceException.display(ResponseStatusEnum.UN_LOGIN);
        }
        // 如果不是激活状态则不能执行后续操作
        if (user.getActiveStatus() == null ||
                user.getActiveStatus() != UserStatus.ACTIVE.type) {
            GraceException.display(ResponseStatusEnum.USER_INACTIVE_ERROR);
            return false;
        }

        return true;
    }



    /**
     * 请求访问到controller之后，渲染视图之前
     * @param request
     * @param response
     * @param handler
     * @param modelAndView
     * @throws Exception
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    /**
     * 请求访问到controller之后，渲染视图之后
     * @param request
     * @param response
     * @param handler
     * @param ex
     * @throws Exception
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
